The manufacturing method of the anti-damage mechanism of the turntable coded lock

Now there is a turntable coded lock, which can not only hold small objects, but also lock the door by using the lock hook, for example, the positioning structure of the coded disk, whose Chinese patent announcement number is CN203856282U, has disclosed such a lock structure. This kind of coded lock includes a lock case, a coded lock assembly located in the lock case and partly exposed on the surface of the Lock case, and a lock box inserted with the lock case. The coded lock assembly adopts a disc structure, that is to say, it includes the lock core rod fixed in the lock box at the lower end, multiple password disks fixed on the lock core rod and the password rings corresponding to the password disks. There is a clutch structure between the password disks and the password rings, the coded disk part is exposed in the window of the Lock case for the user to operate. The lock box is used to place small objects. The lock box is inserted into the lock box through the socket at the bottom of the lock box, and the lock box is locked in the lock box through the lock mechanism. When the code lock is opened, the locking mechanism will unlock, and the lock box will fall from the socket of the Lock case, so that the user can take the small objects placed in the lock box. Because the small objects that the thief wants are placed in the lock box, the lock box is easy to be attacked by the thief. For this reason, the applicant has also installed lining in the lock box, for example, the structure disclosed in the patent document whose Chinese patent authorization notice number is CN202611350U can obviously improve the strength of the lock box. Also, for example, in the patent document of China patent authorization Announcement No. CN203856283U, adding the structure of import part to the lock case can improve the strength of the joint part of the lock box and the lock case, making the coded lock safer to use.

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技术实现要素:

本实用新型所要解决的技术问题是对现有技术的现状,提供一种成本低、使用起来同样安全的转盘密码锁的防破坏机构。

本实用新型解决上述技术问题所采用的技术方案为:一种转盘密码锁的防破坏机构,包括有锁壳和位于锁壳内的密码锁总成以及锁盒,所述锁壳的下部具有供锁盒口部插入的插口,所述锁盒与密码锁总成中的锁芯杆下端相固定,其特征在于:所述插口的内壁上设有沿周向分布的挡块,该挡块与插口内壁之间形成供锁盒口部的边沿插入的间隙。

为了能容纳较大物品,优选的是,所述的密码锁总成位于锁壳内的一侧,所述锁盒在对应所述密码锁总成侧的口部具有缺口,可以利用缺口的深度,放入较大的物件,且此时无需将锁芯杆加长,因而具有结构紧凑的特点,此时,所述的挡块被分成间隔分布的多个小挡块,且分别抵在锁盒的口部边沿的转角处,以方便装配,同时已加强了转角处的薄弱部位,可达到安全使用的目的。

在上述优选方案中,进一步改进的是,其中一所述的小挡块在朝向插口内壁的面上设有一直立的定位筋,而在所述锁盒口部开有供该定位筋插入的定位槽,采用该结构,有利于锁盒快速对准插口进行装配。

在上述各方案中,所述锁盒内设有与锁芯杆的下端相对应的安装柱,该安装柱中空,且中部具有挡板,一螺栓从下往上穿过挡板上的通孔后与锁芯杆下端相螺纹连接,并在该安装柱内设置有位于所述螺栓下部的堵头,避免小偷伺机通过拆除螺栓来分离锁盒,使得防盗性能更好。

较好的是,所述锁盒的外底部上固定有防撞套,在意外跌落时起到保护密码锁的作用。

为方便装配,较实用的是,所述的防撞套内设有直立的定位柱,对应地,在所述锁盒的底部开有供该定位柱插入的定位孔。

与现有技术相比,由于本实用新型在插口内壁增设了多个挡块,利用挡块,可减小锁盒与锁壳之间的晃动幅度和间隙,即使有小物件插入,也被挡块所抵而难以插入到锁盒的内腔中,因而可以提高使用的安全性,并且这样的设计,结构简单,成本低。

附图说明

图1为本实用新型实施例的立体示意图;

图2为图1的剖视图;

图3为图1中去掉第一半壳后的立体示意图;

图4为图3的立体分解图。

具体实施方式

以下结合附图实施例对本实用新型作进一步详细描述。

如图1至图4所示,该转盘密码锁包括有锁壳1、锁杆2和位于锁壳内的密码锁总成3以及与锁壳相插配连接的锁盒4,其中,锁壳1包括有由第一半壳11、第二半壳12组装成的锁壳主体和盖设在该锁壳主体顶部的锁盖13,在锁壳主体上开有一窗口14,锁壳1的下部具有供锁盒口部插入的插口15。密码锁总成3位于锁壳1内的一侧,如图1中的右侧,并且密码锁总成3的密码盘31部分露于该窗口14,以供使用者操作,锁杆2设计成U形,且两侧臂长短不等,锁杆2的较长侧臂位于锁壳1内的左侧,锁壳1的上部安装有锁钩离合结构。这些均为常规技术。

上述锁盒4在对应密码锁总成侧的口部具有缺口41,锁盒4与密码锁总成3的锁芯杆32下端相固定,当密码盘31位于正确密码设置的位置时,锁芯杆32可以上下移动,从而可以带动锁盒4上下移动,即达到打开锁盒4或合上锁盒4的目的。

为了防止小偷在锁盒4与锁壳1的接合部插入工具,本实施例中,增设了防破坏机构,即在插口15的内壁上设有沿周向分布的挡块,该挡块与插口15内壁之间形成供锁盒4的口部的边沿插入的间隙17。优选的是,该挡块被分成间隔分布的八个小挡块16,且分别抵在锁盒4的口部边沿的转角处。并且为了锁盒4能方便、快速地对准插入,其中一小挡块16在朝向插口内壁的面上设有一直立的定位筋161,而在锁盒口部开有供该定位筋插入的定位槽42。

考虑到锁芯杆32与锁盒4的连接部位也是小偷常常想破坏的部位,在本实施例中,锁盒4内设有与锁芯杆32的下端相对应的安装柱43,该安装柱43中空,且中部具有一挡板,一螺栓5从下往上穿过挡板上的通孔后与锁芯杆32下端相螺纹连接,并在安装柱43内设置有位于螺栓下部的堵头6。利用堵头6,使小偷无法旋转螺栓5,进而无法破坏之处的连接来达到锁盒4与锁芯杆32的分离。

在密码锁使用过程中往往会发生跌落现象,而对锁盒4生产破坏,本实施例中,锁盒4的外底部固定有防撞套7,为了连接更为牢固,在防撞套7内设有直立的定位柱71,对应地,在锁盒底部开有供定位柱插入的定位孔44。当定位柱71插入到定位孔44后,再用胶水进行固定,使防撞套7与锁盒4紧固成一体。


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